Finding the Fourth Proportional to 105,580.80, 158,372.88 and 35,460.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,580.80 : 158,372.88 = 35,460.72 : x
2. Step 2: Convert to fraction form
   105,580.80/158,372.88 = 35,460.72/x
3. Step 3: Cross multiply
   105,580.80x = 158,372.88 × 35,460.72
4. Step 4: Simplify right side
   105,580.80x = 5,616,016,353.27
5. Step 5: Solve for x
   x = 5,616,016,353.27/105,580.80
6. Step 6: Final answer
   x = 53,191.64